Spring-equalized truck.



F. L. BARBER & E. W. WEBB.

SPRING EQUALIZED TRUCK.

APPLICATION FILED MAY 25,1914.

Patented Aug. 4, 191 A 5 R n 3 Z w W? n L H E M1 B Q\ q Q\ M. b u B Q N1 A 1| 1 [FL Q E I X 1111 W n J I \Q m\ 2 G H O ON v m m\ m/ m\ "wa \MEW6 E 9/ 4 5% THE/R ATToR/vEKs dub/44am 25M P. L. BARBER & E. W. WEBB.

SPRING EQUALIZED TRUCK.

APPLICATION rum) MAY 25, 1914.

1 1 06,0273 Patented Aug. 4, 19m

3 SHEETS-BHEET 2.

W! TNE$$E5 r 665% 5r THE/R ATTORNE'YJ F. L. BARBER & E. W. WEBB.

SPRING EQUALIZED TRUCK.

APPLICATION FILED MAY 25, 1914.

, Patented Aug. 4, 1914.

3 BHEETSSHEET 3.

7III/III/A r [In l/l/l/l/ ///////A //VVE/V TORS F. L. Barb er E. W. WeBY THE/R ATTORNEYS W! TNESSE UNITED STATES PATENT OFFICE.

FRANKLIN L. BARBER AND EDWIN W. WEBB, OF CHICAGO. ILLINOIS, ASSIGNORS TOSTANDARD CAR TRUCK COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF NEWJERSEY.

SPRING-EQUALIZED TRUCK.

Specification of Letters Patent.

Patented Aug. 4, 1914.

To all whom it may concern:

Be it known that we, F RANKLIN L. BARBER and EDWIN IV. Venn, citizens.of the United States, residing at Chicago, in the county of Cook andState of Illinois, have invented certain new and useful Improvements inSpring-Equalized Trucks; and we do hereby declare the followin to be afull, clear, and exact description 0 the invention, such as will enableothers skilled in the art to which it appertains to make and use thesame.

Our invention relates to car trucks, and has for its especial object theprovision of a spring equalized caboose truck.

Generally stated, the invention consists of the novel devices andcombinations of devices hereinafter described and defined in p theclaims.

In the accompanying drawing which illustrate the invention, likecharacters indicate like parts throughout the several views.

Referring to the drawings: Figure 1 is a side elevatlon showing thetruck with the wheels and journal box removed; Fig. 2 is a plan view ofthe parts shown in Fig. 1, some parts being broken away; Fig. 3 is avertical section taken on the line as w on Fig. 1, some parts beingbroken away; Fig. 4 is a horizontal section taken on the line 20* w onFig. 1, and Fig. 5 is a fragmentary view showing portions of the truckin side elevation.

It may be here stated that the salient novel feature of the improvedtruck herein disclosed and claimed is the arrangement whereby anequalized truck with double acting springs is obtained without the useof equalizing bars or pedestal journal boxes.

The side frames 1 of the truck are preferably of cast steel with frameextensions 2 which rest on the journal boxes and support the frame andits load from the journal boxes. The journal boxes are not shown, butwould be located between the frame extensions 2, and a T strap 3, thatare-formed from fiat bars reduced at their inner ends and passed throughholes in depending portions of the frame and secured thereto by nuts 4.

As shown, the cast side frames 1 are formed with openings 1, 1", a'nd 1.The openings 1 are simply to give lightness to the frame, but theopenings 1 and 1 perform other and more important functions.

Theopenings 1 have extended brackets or spring seats cast integral withthe truck side frames to receive and hold the base of coi led springs 5that are surmounted by saddle caps 6 to which they are pivotallyconnected. On the outer and inner sides of the truck side frames 1, aresolid link hangers 7, the upper ends of which are pivotally connected111 pairs to the upper ends of the saddle caps 6, by means' of pins 8..The lower ends of the pairs of links 7 carry jib pins 10 on which restthe ends of elliptical equalizing springs 11.

The laterally spaced side frames 1 are rigidly connected by crosstransoms 12 located in the lower corners of the openings 1 and rivetedto adjacent flanges of the said side frames. The flanged upper portionsof the sides of the frame openings 1 afford columns 1', between whichthe ends of the truck bolster 13 are arranged to work with freedom forlimited endwise movements of said bolster transversely of the truck. Thebolster does not directly engage with the faces of the columns 1 butdirectly engages with channel-shaped guide pieces 14, which, in turn,work vertically on the faces of the said columns, but by theirchannel-shaped form are held against movements with the bolstertransversely of the truck. movements of the bolster are limited, asshown, by stop flanges 15 on the ends thereof, and which engage with theguide pieces 14. The said guide pieces 14 have lips 16.

that rest upon, and vertical ribs 17 that interlock with the endportions of a combined spring cap and roller base 18, which latter has aflanged piece seated upon the hub 11 of thecooperatingequalizing spring11.

Lateral motion bearing rollers 19 are interposed between the ends of thebolster 13 and the underlying spring cap and roller bases 18, andthe-said members 13 and 18 are provided with the customary, or anysuitable form of concave seats, whereby the bolster is yieldingly heldin an intermediate centeif ed position.

By reference particularly to Fig. 3, it will be noted that equalizingsprings 11, in the preferred arrangement illustrated, are arranged inpairs, one inside and the other outside of the cooperating side frame 1.

The endwise- This gives a wide lateral support for the combined springcap and roller base 18 and also keeps the springs close to the sideframes. Furthermore, this duplex arrangement of the said springs and ofthe links 7, transmits the weight centrally to the coiled springs 5 andto the truck side frames.

The so-called slides 1a are preferably in the form of castings but maybe otherwiseformed. IVhen worn, they may be readily replaced; andfurthermore, they permit the bolster, when on its side, to be passedthrough the openings in the frame and turned to position, withoutrequiring wide openings below the column guide faces. The guide pieces14 should be inserted after the bolster is in place. Each hanger made upof the solid links 7, might, as is obvious, be made up of a singleU-shaped piece. As shown brake hangers 20 are cast integral with thetruck side frames, but this is a feature which constitutes no part ofthe present invention.

The truck, while especially designed as a caboose truck, may,nevertheless, as is obvious, be generally used wherever foundserviceable.

\Vhat we claim is:

1. In a car truck, the combination with truck side frames havingcolumns, of combined spring caps and roller bases, springsupported onsaid side frames, a truck bolster with its ends working between saidcoluinns, rollers interposed between said bolster, and combined springcaps, and roller bases, and guide pieces carried by said combined springcaps and roller bases, interposed between said columns and bolster andmovable vertically on said columns, said bol ster having an cndwisemovement, in respect to said guide pieces, transversely of the truck.

2. In a cartruck, the combination with truck side frames having columns,of combined spring caps and roller bases springsupportcd on said sideframes, a truck bolster with its ends working between said columns,rollers interposed between said bolster and combined spring caps androller bases, and guide pieces detachably supported by said combinedspring caps and roller bases; interposed between said columns andbolster and movable vertically on said columns, said bolster having anendwise movement, \in respect to said guide pieces, transversely of thetruck.

3. In a car truck, the combinationwith side frames having columns, ofcombined spring caps and -roller bases spring-supported on said sideframes, a bolster with its ends working between said columns, lateralmotion rollers interposed between said bolster and combined spring capsand roller bases, and channel-shaped guide pieces interposed betweensaid bolster and columns izing springs.

o.- In a car truck, the combination with truck side frames havingcolumns, of front and rear coiledsprings seated on said side frames,elliptical equalizing springs extending longitudinally of said sideframes to the front and rear of said columns, hangers carried by saidcoiled springs and connected to the ends of corresponding equalizingsp'rings,-and a truck bolster working between said columns and carriedby the intermediate portions of said equalizing springs.

6. In a car truck, the combination with truck side frames havingcolumns, of front and rear coiled springs seated in openings in saidside frames, elliptical equalizing springs extended longitudinally ofsaid side frames, hangers carried by. said coiled springs and connectedto the ends of said equalizing springs, a truck bolster carried on theintermediate portions of said equalizing springs, and lateral motiondevices interposed between said equalizing springs and bolster.

7. In a car truck, the combination with truck side frames havingcolumns, of front and rear coiled springs seated in openings in saidside frames, equalizing springs arranged in pairs extendedlongitudinally of said side frames, one on the inner and the other onthe outer side thereof, hangers carried on said coiled springs andhaving arms, both on the inner and outer sides of said side frames,connected at their lower ends to the ends of said pairs of equalizingsprings, and a truck bolster working between said columns and carried bythe intermediate portions of said equalizing springs. I Y

8. In a'car truck, the combination with truck side frames havingcolumns, of front and rear coiled springs seated in openings in saidside frames, equalizing springs arranged in pairs extendedlongitudinally of said side frames, one onthe inner and the other on theouter side thereof, hangers carried on said coiled springs and havingarms. both on the inner and outer sides of said side frames, connectedat their lower ends to the ends of said pairs of equalizing springs, abolster working with a limited In testimony whereof we aflix oursignaend'wlse movement between sald columns, tures 1n presence of twow1tnesses.

combined spring caps androller bases sup- FRANKLIN L. BARBER. ported onthe intermediate portions of said EDWIN W. WEBB. equalizing springs, androllers interposed Witnesses:

between said bolster and combined spring L. W. BARBER,

caps and roller bases. MABEL G. LAW.

